It began in 1999 - when it was (then) called Gurunet. See the related link for more details on the history.
2005.
janaury 2005.
Probably a company
because the inventor of answers.com thought of that name and it has answers.com because you can answer questions....
a guy called more info go to his page on answers.com here is the link: User:Chris and he created it in 2005.
You can't
no.
no.
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yes.
yes you can
no because it has supervisors